- heterostracan
- het·er·os·tra·can
English syllables. 2014.
heterostracan
Look at other dictionaries:
heterostracan — /het euh ros treuh keuhn/, n. Paleontol. any of several ostracoderms of the order Heterostraci, from the Silurian and Devonian Periods, having the anterior part of the body enclosed in bony plates. [ < NL Heterostrac(i) (pl.) name of the order,… … Universalium
heterostracan — noun extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian • Hypernyms: ↑jawless vertebrate, ↑jawless fish, ↑agnathan • Member Holonyms: ↑Heterostraci, ↑suborder Heterostraci * * * I … Useful english dictionary
Lepidaspis serrata — Taxobox name = Lepidaspis fossil range = Silurian Devonian regnum = Animalia phylum = Chordata classis = Agnatha subclassis = Pteraspidomorphi ordo = Heterostraci genus = Lepidaspis species = L. serrata Lepidaspis serrata ( Serrated Scaley Shield … Wikipedia
fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with … Universalium
Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… … Universalium
Heterostraci — Taxobox name = Heterostraci image caption = Drepanaspis gemuendenensis , accompanied by the placoderm Tiaraspis subtilis fossil range = Silurian Devonian |regnum = Animalia phylum = Chordata classis = Heterostraci subdivision ranks = Orders… … Wikipedia
Brontoscorpio — Taxobox name = Brontoscorpio fossil range = Silurian regnum = Animalia phylum = Arthropoda subphylum = Chelicerata classis = Arachnida ordo = Scorpiones familia = Eoscorpiidae genus = Brontoscorpio binomial = Brontoscorpio anglicus Brontoscorpio… … Wikipedia
Pteraspis — Taxobox name = Pteraspis fossil range = Early Devonian regnum = Animalia phylum = Chordata classis = Heterostraci familia = Pteraspidae genus = Pteraspis species = P. stensioei binomial = Pteraspis stensioei binomial authority = Pteraspis is an… … Wikipedia
Errivaspis — Taxobox name = Errivaspis fossil range = Early Devonian regnum = Animalia phylum = Chordata classis = Heterostraci familia = Pteraspidae genus = Errivaspis Errivaspis is an extinct genus of pteraspid heterostracan that lived in the Early Devonian … Wikipedia
Mark Purnell — Dr Mark Andrew Purnell Residence England Nationality … Wikipedia
